Security readout for executives and security teams
Plain-English summary
CVE-2019-14827 is a Moodle JavaScript injection issue in some Mustache template rendering paths. In affected Moodle versions, template helper content from a context could be reused without proper escaping, allowing script injection in some templates. The source bundle does not provide CVSS, exploit status, or detailed attack prerequisites.
Executive priority
Handle this as a medium-priority legacy Moodle risk unless your environment still runs affected public-facing versions. The main urgency is eliminating unsupported or outdated Moodle deployments, because the provided evidence does not show active exploitation or a CVSS score.
Technical view
The issue involves recursive rendering of Mustache templates where helper tags included in template contexts were not escaped before injection into another helper. This could create script injection in affected Moodle branches: 3.7 to 3.7.1, 3.6 to 3.6.5, 3.5 to 3.5.7, and earlier unsupported versions.
Likely exposure
Exposure is most likely where organizations still run the listed Moodle versions or unsupported earlier releases. The bundle does not identify affected modules, specific templates, required privileges, or whether default deployments are exploitable.
Exploitation context
CISA KEV status is false in the provided bundle, and no cited source states active exploitation. Treat this as a plausible web application injection risk, but do not assume internet-wide exploitation from the available evidence.
Researcher notes
Evidence is limited to the CVE description and Moodle references. Key unknowns include exploit prerequisites, affected template locations, user interaction requirements, and fixed release identifiers. Avoid asserting exploitability beyond script injection in some templates.
Mitigation direction
- Inventory Moodle instances and identify exact version branches.
- Review Moodle advisory and MDL-62284 references for vendor-confirmed fixes.
- Upgrade affected or unsupported Moodle deployments to a supported fixed release.
- Prioritize externally reachable or high-user Moodle sites first.
- Monitor Moodle guidance for any newly documented workarounds.
Validation and detection
- Confirm whether each Moodle instance matches the affected version ranges.
- Check change history for MDL-62284-related fixes in deployed code.
- Review security advisories for fixed versions before closing risk.
- Assess whether custom templates or plugins use Mustache helper contexts.
- Verify no unsupported Moodle versions remain in production.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-94: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2019-14827 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://moodle.org/mod/forum/discuss.php?d=391030CVE reference · x_refsource_MISC
- https://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-62284CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Control of Generation of Code ('Code Injection')
Improper Control of Generation of Code ('Code Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.